diff options
Diffstat (limited to 'arch/arm64/include/asm/signal.h')
| -rw-r--r-- | arch/arm64/include/asm/signal.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/signal.h b/arch/arm64/include/asm/signal.h new file mode 100644 index 0000000000..ef449f5f4b --- /dev/null +++ b/arch/arm64/include/asm/signal.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ARM64_ASM_SIGNAL_H +#define __ARM64_ASM_SIGNAL_H + +#include <asm/memory.h> +#include <uapi/asm/signal.h> +#include <uapi/asm/siginfo.h> + +static inline void __user *arch_untagged_si_addr(void __user *addr, + unsigned long sig, + unsigned long si_code) +{ + /* + * For historical reasons, all bits of the fault address are exposed as + * address bits for watchpoint exceptions. New architectures should + * handle the tag bits consistently. + */ + if (sig == SIGTRAP && si_code == TRAP_BRKPT) + return addr; + + return untagged_addr(addr); +} +#define arch_untagged_si_addr arch_untagged_si_addr + +#endif |